"Most people can switch their schedules right away. It really depends on the individual and how much stress they have in their lives," naturopathic doctor Chamandeep Bali told The Huffington Post. "If you're the type of person who is always 'go go go', you'll be sleeping less."

The good news is the the sun will seem to rise and set later in the day than it does now, so we have more time to enjoy the daylight during the hours we are normally awake — after work.